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Yeast Extract                             2.5g
NaCl                                  0.2922g
KCl                                   0.0932g
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CaCl2:      147.02    15mM    2.2053g   0.5513g
KCl:        74.55    250mM   18.6375g   4.6594g
Dissolve completely and adjust pH to 6.7 with KOH
MnCl2      197.91    55mM   10.8851g   2.7213g
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